On Wed, May 20, 2020 at 01:21:43PM -0400, Paolo Bonzini wrote: > + unsafe_put_user(val, (unsigned long __user *) from, err_fault); This adds a way too long line. In many ways it would be much nicer if you used an unsigned long __user * variable internally, a that would remove all these crazy casts and actually make the code readable.
